Finding the Fourth Proportional to 66,026.50, 91,116.72 and 37,732.12

Step by Step Solution

1. Step 1: Write the proportion equation
   66,026.50 : 91,116.72 = 37,732.12 : x
2. Step 2: Convert to fraction form
   66,026.50/91,116.72 = 37,732.12/x
3. Step 3: Cross multiply
   66,026.50x = 91,116.72 × 37,732.12
4. Step 4: Simplify right side
   66,026.50x = 3,438,027,013.05
5. Step 5: Solve for x
   x = 3,438,027,013.05/66,026.50
6. Step 6: Final answer
   x = 52,070.41